package JCT_Chapter_03;

public class Message {
    public static void main(String[] args)  {
        System.out.println(args.length);
        if(args.length == 0 || args[0].equals("-h"))   {
            System.out.print("Hello!");
        }  else if(args[0].equals("-g"))  {
            System.out.print("Goodbye,");
        }
        for (int i = 1; i < args.length; i++)  {
            System.out.print(" " + args[i]);
        }
        System.out.print("!");
    }
}
